public async Task <IActionResult> ExportCodes()
{
var vendorCodeType = await _vendorCodeService.GetTypeAllAsync();
if (vendorCodeType?.FirstOrDefault() == null)
{
AlertDanger = "You must create a vendor code type before you can export codes.";
return(RedirectToAction(nameof(Index)));
}
string date = _dateTimeProvider.Now.ToString("yyyyMMdd", CultureInfo.InvariantCulture);
string codeFileName = vendorCodeType
.First()
.Description
.Replace(" ", "", StringComparison.OrdinalIgnoreCase);
return(File(await _vendorCodeService.ExportVendorCodesAsync(vendorCodeType.First().Id),
"text/plain",
FileUtility.EnsureValidFilename($"{date}-{codeFileName}.txt")));
}